LanguageApps.info

Language App Comparison Tool

Compare different language learning apps side by side to find the best fit for your learning style and goals. Add up to 3 apps to see detailed feature comparisons.

Comparing 3 Apps

Duolingo logo

Duolingo

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Readlang logo

Readlang

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MosaLingua logo

MosaLingua

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Basic Info

Cost
Free, Subscription
Free, Subscription
Subscription
TL;DR
Duolingo is a fun, beginner-friendly language app with gamified lessons and many language options. It is best used to build vocabulary and a consistent study habit.
A web-reader tool that translates words and phrases on any website, creating flashcards for you to study later.
A powerful flashcard app using spaced repetition to help you memorize useful vocabulary quickly. Best used with other resources for grammar.

Description

Description

Duolingo is arguably the most recognized language learning app, known for its game-like interface that makes starting a new language feel fun and accessible. Through points, streaks, and leaderboards, it excels at motivating users to build a consistent daily practice habit. The bite-sized lessons are ideal for learning vocabulary and basic sentence structures on the go. However, the platform offers weak explicit grammar explanations and limited opportunities for real speaking practice, meaning its content can feel shallow for those aiming to move beyond a beginner level. It serves best as an engaging starting point or a vocabulary-building supplement.

Readlang helps you learn a language by reading authentic content from across the web. As a browser extension and web app, it allows you to click on any word or phrase you don’t know on a webpage to get an instant translation. These translated words are automatically saved as flashcards for later review via spaced repetition. It is an exceptional tool for intermediate-to-advanced learners looking to transition to native materials and expand their vocabulary contextually, but it is primarily a reading and vocabulary tool with no speaking component.

MosaLingua is built around a highly effective Spaced Repetition System (SRS) designed to help you learn and retain a large amount of vocabulary efficiently. The app prioritizes the most useful words and phrases to accelerate practical knowledge. While its core is flashcards, the platform also includes dialogues, articles, and other resources to add context. It is a powerful tool for learners dedicated to building a strong vocabulary foundation, though they will need to look elsewhere for structured grammar lessons or extensive conversation practice.

Features

Key Features
Gameified, Vocabulary Builder, Microlearning, Bite Sized Lessons, Adaptive, Community
Reading Comprehension, Article Based, Comprehensible Input, Vocabulary Builder, Spaced Repetition
Flashcards, Spaced Repetition, Vocabulary Builder, Bite Sized Lessons, Audio Based, Offline Access

Limitations

Known Issues
Limited Speaking Practice, Weak Grammar Explanation, Overly Gameified, Shallow Content
Limited Speaking Practice, Passive Learning Focus, Browser Plugin Focused
Weak Grammar Explanation, Passive Learning Focus

Core Methodology & Pedagogy

Comprehensible Input

Content & Material Type

Gameified
Flashcards
Spaced Repetition
Audio Based
Article Based

Primary Skill Focus

Vocabulary Builder
Reading Comprehension

Interaction & Technology

Community
Offline Access
Adaptive

Learning Context & Style

Microlearning
Bite Sized Lessons
Duolingo vs. Readlang vs. MosaLingua Comparison | LanguageApps.info | LanguageApps.info